package com.cc.pureCoffee.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.cc.pureCoffee.common.BaseContext;
import com.cc.pureCoffee.common.R;
import com.cc.pureCoffee.entity.AddressBook;
import com.cc.pureCoffee.mapper.AddressBookMapper;
import com.cc.pureCoffee.service.AddressBookService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.RequestBody;

import java.util.List;


@Service
@Slf4j
public class AddressServiceImpl extends ServiceImpl<AddressBookMapper, AddressBook> implements AddressBookService {
    @Autowired
    private AddressBookService addressBookService;


    /**
     * 新增地址
     *
     * @param addressBook
     * @return
     */
    @Transactional
    @Override
    public R<AddressBook> saveAddress(AddressBook addressBook) {
        addressBook.setUserId(BaseContext.getCurrentId());
        log.info("addressBook:{}", addressBook);
        addressBookService.save(addressBook);
        return R.success(addressBook);
    }

    /**
     * 设置默认地址
     *
     * @param addressBook
     * @return
     */
    @Transactional
    @Override
    public R<AddressBook> setDefault(AddressBook addressBook) {
        log.info("addressBook:{}", addressBook);
        LambdaUpdateWrapper<AddressBook> wrapper = new LambdaUpdateWrapper<>();
        wrapper.eq(AddressBook::getUserId, BaseContext.getCurrentId());
        wrapper.set(AddressBook::getIsDefault, 0);
        //SQL:update address_book set is_default = 0 where user_id = ?
        addressBookService.update(wrapper);

        addressBook.setIsDefault(1);
        //SQL:update address_book set is_default = 1 where id = ?
        addressBookService.updateById(addressBook);
        return R.success(addressBook);
    }

    /**
     * 根据用户id查询地址列表
     *
     * @param id
     * @return
     */
    @Transactional
    @Override
    public R get(Long id) {
        AddressBook addressBook = addressBookService.getById(id);
        if (addressBook != null) {
            return R.success(addressBook);
        } else {
            return R.error("没有找到该对象");
        }
    }

    /**
     * 查询默认地址
     *
     * @return
     */
    @Transactional
    @Override
    public R<AddressBook> getDefault() {
        LambdaQueryWrapper<AddressBook> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(AddressBook::getUserId, BaseContext.getCurrentId());
        queryWrapper.eq(AddressBook::getIsDefault, 1);

        //SQL:select * from address_book where user_id = ? and is_default = 1
        AddressBook addressBook = addressBookService.getOne(queryWrapper);

        if (null == addressBook) {
            return R.error("没有找到该对象");
        } else {
            return R.success(addressBook);
        }
    }

    /**
     * 查询地址列表
     *
     * @param addressBook
     * @return
     */
    @Transactional
    @Override
    public R<List<AddressBook>> list(AddressBook addressBook) {
        addressBook.setUserId(BaseContext.getCurrentId());
        log.info("addressBook:{}", addressBook);

        //条件构造器
        LambdaQueryWrapper<AddressBook> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(null != addressBook.getUserId(), AddressBook::getUserId, addressBook.getUserId());
        queryWrapper.orderByDesc(AddressBook::getUpdateTime);

        //SQL:select * from address_book where user_id = ? order by update_time desc
        return R.success(addressBookService.list(queryWrapper));
    }

    /**
     * 修改收货地址
     *
     * @param addressBook
     * @return
     */
    @Transactional
    @Override
    public R<String> update(@RequestBody AddressBook addressBook) {
        log.info("修改后的地址信息为{}", addressBook);
        if (addressBook == null) {
            return R.error("请求异常");
        }
        addressBookService.updateById(addressBook);
        return R.success("修改地址成功");

    }

    /**
     * 删除
     *
     * @param
     * @return
     */
    @Transactional
    @Override
    public R<String> deleteAddress(Long ids) {
        log.info("需要删除的id为:{}", ids);
        if (ids == null) {
            return R.error("请求异常");
        }
        LambdaQueryWrapper<AddressBook> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(AddressBook::getId, ids).eq(AddressBook::getUserId, BaseContext.getCurrentId());
        addressBookService.remove(queryWrapper);
        return R.success("删除地址成功");
    }


}
